
#ifndef EPOLL_H_
#define EPOLL_H_

#include <WinSock2.h>
#include <Windows.h>
#include <stdint.h>

#define EPOLLIN 0x001
// #define EPOLLPRI 0x002
#define EPOLLOUT 0x004
#define EPOLLERR 0x008
#define EPOLLHUP 0x010
#define EPOLLRDNORM 0x040
#define EPOLLRDBAND 0x080
#define EPOLLWRNORM 0x100
// #define EPOLLMSG 0x400
#define EPOLLWRBAND 0x200
#define EPOLLRDHUP 0x2000

/* #define EPOLLET (1 << 30) Not supported */
// #define EPOLLONESHOT (1 << 31)

#define EPOLL_CTL_ADD 1
#define EPOLL_CTL_MOD 2
#define EPOLL_CTL_DEL 3

typedef void *epoll_t;

typedef union epoll_data {
    void *ptr;
    int fd;
    uint32_t u32;
    uint64_t u64;
    // /* Windows-specific extensions. */
    // SOCKET sock;
    // HANDLE hnd;
} epoll_data_t;

struct epoll_event
{
    uint32_t events;   /* Epoll events */
    epoll_data_t data; /* User data variable */
};

epoll_t epoll_create(int);

int epoll_close(epoll_t epoll_hnd);

int epoll_ctl(epoll_t epoll_hnd, int op, SOCKET sock, struct epoll_event *event);

int epoll_wait(epoll_t epoll_hnd, struct epoll_event *events, int maxevents, int timeout);

#endif /* EPOLL_H_ */